<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        a {
            text-decoration: none;
            color: grey;
            /* 点击链接的高亮需要我们清除 */
            -webkit-tap-highlight-color: transparent;
        }
        input {
            /* ios上加上这个属性才能给按钮和输入框自定义样式 */
            -webkit-appearance: none;
        }
        img,
        a {
            /* 禁止长按页面时的弹出菜单 */
            -webkit-touch-callout: none;
        }
    </style>
</head>
<body>
    <a href="#">链接</a>
    <input type="button" value="按钮" />
</body>
</html>